CVE-2022-39912 : Vulnerability Insights and Analysis

A local attackers vulnerability present in Samsung Mobile Devices prior to Android T(13) allows unauthorized setting value in Secure folder.

Understanding CVE-2022-39912

This article elaborates on the vulnerability present in Samsung Mobile Devices that enables local attackers to manipulate the settings in Secure folder.

What is CVE-2022-39912?

The vulnerability, designated as CVE-2022-39912, involves improper handling of insufficient permissions in setSecureFolderPolicy in PersonaManagerService, leading to unauthorized setting changes in Secure folder.

The Impact of CVE-2022-39912

The vulnerability poses a medium threat level with a base score of 6.2, allowing local attackers to exploit the issue and manipulate settings within the Secure folder of Samsung Mobile Devices.

Technical Details of CVE-2022-39912

This section details the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability arises from the improper handling of insufficient permissions in setSecureFolderPolicy within PersonaManagerService, facilitating local attackers to set values in Secure folder.

Affected Systems and Versions

Samsung Mobile Devices with unspecified versions prior to Android T(13) are impacted by this vulnerability, leaving them susceptible to unauthorized setting changes.

Exploitation Mechanism

Local attackers can exploit this vulnerability by leveraging the insufficient permissions handling flaw in setSecureFolderPolicy to manipulate settings in Secure folder.

Mitigation and Prevention

Here we discuss the immediate steps to take, recommend long-term security practices, and highlight the importance of patching and updates.

Immediate Steps to Take

Users are advised to monitor Secure folder settings for any unauthorized changes and restrict access to vulnerable devices.

Long-Term Security Practices

Implement strict access controls, regularly update device firmware, and conduct security training to prevent unauthorized access and manipulations.

Patching and Updates

It is crucial for users to apply security patches and firmware updates released by Samsung Mobile to mitigate the vulnerability and enhance device security.